详情描述
Clean various heat exchangers, condensers, industrial pipelines, boilers, and steam power plant condensers. GlanChem Co., Ltd. offers guaranteed cooperation.
Jining Green Chemical Technology Co., Ltd. (abbreviated to Jining Green Cleaning Co.) was established in 2010 and is a professional company specializing in cleaning various industrial heat exchange equipment. The company has comprehensive business philosophy and the capability to research and develop industrial equipment cleaning technology. It undertakes cleaning services for industrial, private enterprise, corporate chemical equipment, power station equipment, power plant condensers, boilers, boiler air preheaters; air conditioning cleaning, heat exchange equipment cleaning, and accepts cleaning services for machinery and chemical equipment. It also handles cleaning of refrigeration equipment and heating equipment for scale removal.
Jining Greentech Cleaning Co. offers dozens of cleaning machines with various models ranging from 10MPa to 250MPa, as well as over a dozen chemical cleaning pump stations. Our main services include power plants, chemical factories, oil refineries, food factories, corporate and institutional units, heating equipment, etc. The company also provides long-term industrial heat exchanger cleaning and design solutions for industry clients.
Our company has newly acquired domestic cleaning machines and imported cleaning equipment. We have hired experienced technical specialists in the cleaning industry, which has standardized and regulated the cleaning process for heat exchange equipment.
First Station Heat Exchanger Cleaning, Jining, Liaocheng, Shandong
Chemical descaling process:
Recirculating Closed Circuit Cleaning
Recirculating cleaning utilizes two existing parallel ash line pipelines to form a loop, creating a circulating system with the cleaning pump station. A solution of a certain concentration of acidity is added, which circulates and cleans within the ash water pipeline. Additionally, as the acidity washes down to a certain level, more acid solution is continuously added. For short-distance single ash water pipelines, if conditions permit, a temporary pipeline can be laid to form a recirculating loop for cleaning. This process must be carried out when the system is shut down, and it is complex with higher costs.
Open road cleaning
No two grey pipes can form a loop during cleaning; only single grey pipe open circuit cleaning is allowed. The method involves connecting one end of the grey pipe to the cleaning unit, continuously preparing a certain concentration of cleaning solution in the liquid tank, and then continuously or intermittently injecting it into the grey pipe. This process requires the addition of cleaning equipment during shutdown, resulting in higher costs.
First Station Heat Exchanger Cleaning, Jining, Liaocheng, Shandong
Continuous cleaning without shutdown
The process involves continuously injecting a specific quantity of acidic solution while simultaneously adding a certain amount of slurry pipeline cleaning inhibitor and pipeline cleaning descaler. This is an open-loop cleaning method. The main function of the cleaning aids is to promote the reaction between the acidic solution and the ash scale at a certain concentration and flow rate, while also enhancing its solubility in water, reducing the occurrence of airlock, and ensuring the quality of ash pipeline cleaning.
The procedure is as follows: Before cleaning, first estimate the required acid amount based on the total scale in the pipeline. Then, calculate the acid addition rate and the flow rate of the descaling agent and pipeline cleaner based on the sludge water flow rate and acidity. During cleaning, take a sample at the front end of the sludge pipe every 30 minutes to test the acidity and strictly control it by adjusting the acid flow rate. In the later stage of cleaning, take a sample at the end of the sludge pipe every 15 minutes to test the pH value. When the pH value reaches a certain level and remains unchanged for 30 minutes, the cleaning can be considered complete.
2. High-pressure water jet cleaning equipment
High-pressure water jet cleaning offers high efficiency, low costs, non-damaging to workpieces, environmental protection, ease of operation, and safety advantages.
High-pressure water technology offers the following advantages.
(1) Excellent Cleaning Quality: High-pressure water jet cleaning of pipeline and heat exchanger bores can thoroughly remove scale and obstructions inside, revealing the metal substrate. The high-pressure water jet, with its immense energy and supersonic speed, can completely destroy hard scale and obstructions without causing any damage to the metal.
Due to the pressure of high-pressure water being less than the compressive strength grade of metal, high-pressure cleaning will not damage the substrate being cleaned.
(2) Fast Cleaning Speed: Due to the combined crushing actions of water jet flushing, wedge splitting, shearing, and grinding, scaling can be quickly broken and removed, which is several to ten times faster than traditional chemical methods, sandblasting and shot blasting, simple mechanical, and manual cleaning methods.
Additionally, components cleaned with high-pressure water jetting do not require secondary cleaning; however, after chemical cleaning, the surface must be washed off with clean water.
First Station Heat Exchanger Cleaning, Jining, Liaocheng, Shandong
(3) No Environmental Pollution: As high-pressure water jet cleaning uses pure water as the medium, it does not generate a large amount of dust like sandblasting or simple mechanical cleaning, which can pollute the air and harm health. It also does not produce a large amount of waste liquid like some chemical cleaning methods, which can contaminate rivers, soil, and water quality. The water jet cleaning with pure water as the medium is odorless, tasteless, and non-toxic. After atomization, the emitted jet can also reduce the dust concentration in the work area, lowering atmospheric dust levels from 80mg/m³ with other methods to below the national safety standards. Therefore, it does not cause any pollution.
3. Pipe Scale
(1) Classified by chemical composition, they can be categorized into carbonate scale, sulfate scale, silicate scale, and mixed scale. The main components of carbonate scale are calcium carbonate and magnesium carbonate; the main components of sulfate scale and silicate scale are calcium sulfate and silicate compounds, respectively; mixed scale is usually a mixture of the above three types of scales.
(2) Categorically divided by physical properties, there are two types: water scale that firmly adheres to the pot shell and tube walls, and sediment that is loosely textured and easily detached.
Lime scale primarily forms due to the salts, such as calcium and magnesium, present in the boiler feed water that precipitate and adhere to the metal surface upon heating. Lime scale has a very low thermal conductivity, about 2 to 5 times less than that of ordinary steel. The accumulation of lime scale on the boiler's heating surface significantly impairs heat transfer efficiency, affects the boiler's performance; it can also easily cause metal materials to burn due to localized overheating, potentially leading to burst pipe accidents; it accelerates galvanic corrosion, causing pipeline scale corrosion, and hastens the deterioration of the heating surface. Once lime scale forms, it should be promptly removed using mechanical or chemical methods.
Heat Exchanger and Refrigeration Equipment Cleaning - Choose Green Chemical for Reliability
